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Discussion Starter #1
Hello
I’m new to the group. Hoping someone can help. I have a 2008 base dohc n12
Anyone know the size of the pin that connects the piston to the connecting rod? I can’t seem to find the exact answer. Keep hearing between 18mm and 22mm

Thank you
 

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gudgeon pin is same size on all prince engines so 1.4 1.6 amd turbo are all same. the pistons are different on 1.4 and 1.6 and turbo cars, ie the top crown and how much distance from pin to crown. its not as easy as 22m or 18mm its how many mill and then the 0.10mm measurement for the fitment to the piston, its that bearing that tends to fail from bad maos maybe,
 

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Discussion Starter #3
Thank you. Weisco said the pistons fit for the n12 they had to look them up on their European site as they didn’t list them on the us site. So hopefully they are correct. I think the compression was 10:1 I don’t have the part number on me at the moment. They have the 4 valve reliefs. They will take 2-3 weeks to make not bad price 517 for 4 with rings and pins
 

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its the same engine in peugeot and citroen 1.4 prince engines below info might help, ie ep3 and ep3c engine numbers are same
1.4 litre EP3/EP3C (PSA)[edit]
The 1.4 L PSA EP3 and EP3C[9] is the smallest member of the Prince family with a stroke measuring 75 mm (2.95 in) and total capacity of 1,397 cc (1.4 L). Depending on application, power output varies from 90 to 95 PS (66 to 70 kW; 89 to 94 bhp) while torque varies from 136 to 140 N⋅m (100 to 103 lb⋅ft).
Applications:
and the turbo engines are below
1.6 litre turbocharged (PSA)[edit]
The turbocharged 1.6 L unit adds gasoline direct injection and has special low-pressure die-cast heads. It has an 85.8 mm (3.38 in) stroke for a total of 1,598 cc (1.6 L) of displacement.
At first, there were two versions on offer - the THP150 and THP175, also known as the EP6DT and EP6DTS respectively within Peugeot. The first was later updated as EP6CDT and also a THP163, EP6CDTM.[9] There is also EP6CDT MD - with lowered compression ratio.
For the THP150 maximum torque is 240 N⋅m (177 lb⋅ft) at 1400 rpm, remaining flat to 5000 rpm. Power output is 150 PS (110 kW; 148 bhp) at 5500 rpm.
Applications:
For the THP163 maximum torque is 240 N⋅m (177 lb⋅ft) at 1400 rpm, remaining flat to 5000 rpm. Power output is 165 PS (121 kW; 163 bhp) at 5500 rpm.
Applications:
For the THP175 (EP6DTS, later EP6CDTS) maximum torque is 247 N⋅m (182 lb⋅ft) at 1600 rpm, remaining flat to 5000 rpm. Power output is 175 PS (129 kW; 173 bhp) at 5500 rpm. An overboost function is available which temporarily increases torque to 260 N⋅m (192 lb⋅ft) between 1700 rpm and 4500 rpm in gears 3 to 5.
Applications:
In 2010 Peugeot released 1.6 THP engine (EP6CDTX[9]) with 200 bhp (149 kW; 203 PS) at 5500 RPM, maximum torque 275 N⋅m (203 lb⋅ft) @ 1700 rpm. It featured direct injection, twin-scroll turbocharger and Valvetronic variable valve lift.
Applications:
The 2012-2014 Mini John Cooper Works GP featured additional performance, with 218 PS (215 bhp; 160 kW) at 6000 rpm and 280 N⋅m (207 lb⋅ft) of torque at 2000–5100 rpm from a larger turbo and engine internals.[11]
PSA has now released a new Euro 6 engine based on the THP in the following Engine codes:
  • EP6FDTX - 205 bhp (153 kW; 208 PS)/208 bhp (155 kW; 211 PS)/210 bhp (157 kW; 213 PS) 1.6l THP Peugeot 208 GTi
  • EP6FDTR - 250 bhp (186 kW; 253 PS)/270 bhp (201 kW; 274 PS) 1.6l THP Peugeot 308 GTi
  • EP6CDTR - 270 bhp (201 kW; 274 PS) 1.6l THP Peugeot RCZ
 
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